cool Meaning, Definition & Usage

  1. noun the quality of being at a refreshingly low temperature
    • the cool of early morning
  2. noun great coolness and composure under strain
    sang-froid; aplomb; poise; assuredness.
    • keep your cool
  3. verb make cool or cooler
    chill; cool down.
    • Chill the food
  4. verb loose heat
    chill; cool down.
    • The air cooled considerably after the thunderstorm
  5. verb lose intensity
    cool down; cool off.
    • His enthusiasm cooled considerably
  6. adjective neither warm nor very cold; giving relief from heat
    • a cool autumn day
    • a cool room
    • cool summer dresses
    • cool drinks
    • a cool breeze
  7. adjective satellite marked by calm self-control (especially in trying circumstances); unemotional
    coolheaded; nerveless.
    • play it cool
    • keep cool
    • stayed coolheaded in the crisis
    • the most nerveless winner in the history of the tournament
  8. adjective (color) inducing the impression of coolness; used especially of greens and blues and violets
    • cool greens and blues and violets
  9. adjective psychologically cool and unenthusiastic; unfriendly or unresponsive or showing dislike
    • relations were cool and polite
    • a cool reception
    • cool to the idea of higher taxes
  10. adjective satellite (used of a number or sum) without exaggeration or qualification
    • a cool million bucks
  11. adjective satellite fashionable and attractive at the time; often skilled or socially adept
    • he's a cool dude
    • that's cool
    • Mary's dress is really cool
    • it's not cool to arrive at a party too early

WordNet

Cool adjective
Etymology
AS. col; akin to D. koel, G. kühl, OHG. chouli, Dan. kölig, Sw. kylig, also to AS. calan to be cold, Icel. kala. See Cold, and cf. Chill.
Wordforms
comparative Cooler ; superlative Coolest
Definitions
  1. Moderately cold; between warm and cold; lacking in warmth; producing or promoting coolness.
    Fanned with cool winds. Milton.
  2. Not ardent, warm, fond, or passionate; not hasty; deliberate; exercising self-control; self-possessed; dispassionate; indifferent; as, a cool lover; a cool debater.
    For a patriot, too cool. Goldsmith.
  3. Not retaining heat; light; as, a cool dress.
  4. Manifesting coldness or dislike; chilling; apathetic; as, a cool manner.
  5. Quietly impudent; negligent of propriety in matters of minor importance, either ignorantly or willfully; presuming and selfish; audacious; as, cool behavior.
    Its cool stare of familiarity was intolerable. Hawthorne.
  6. Applied facetiously, in a vague sense, to a sum of money, commonly as if to give emphasis to the largeness of the amount.
    He had lost a cool hundred. Fielding.
    Leaving a cool thousand to Mr.Matthew Pocket. Dickens.
    Syn. -- Calm; dispassionate; self-possessed; composed; repulsive; frigid; alienated; impudent.
Cool noun
Definitions
  1. A moderate state of cold; coolness; -- said of the temperature of the air between hot and cold; as, the cool of the day; the cool of the morning or evening.
Cool transitive verb
Wordforms
imperfect & past participle Cooled ; present participle & verbal noun Cooling
Definitions
  1. To make cool or cold; to reduce the temperature of; as, ice cools water.
    Send Lazarus, that he may dip the tip of his finger in water, and cool my tongue. Luke xvi. 24.
  2. To moderate the heat or excitement of; to allay, as passion of any kind; to calm; to moderate.
    We have reason to cool our raging motions, our carnal stings, our unbitted lusts. Shak.
    Dryden.
Cool intransitive verb
Definitions
  1. To become less hot; to lose heat.
    I saw a smith stand with his hammer, thus, the whilst his iron did on the anvil cool. Shak.
  2. To lose the heat of excitement or passion; to become more moderate.
    I will not give myself liberty to think, lest I should cool. Congreve.

Webster 1913